【教學影片文字版】 Linda Raschke輕教學 Part 44
Part 1 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-86069143
Part 2 連結:https://www.patreon.com/posts/86569484
Part 3 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-86627005
Part 4 連結:https://www.patreon.com/posts/87180629
Part 5 連結:https://www.patreon.com/posts/87182519
Part 6 連結: https://www.patreon.com/posts/87822734
Part 7 連結: https://www.patreon.com/posts/87841686
Part 8 連結:https://www.patreon.com/posts/88374624
Part 9 連結:https://www.patreon.com/posts/88375026
Part 10 連結: https://www.patreon.com/posts/89707798
Part 11 連結: https://www.patreon.com/posts/89708487
Part 12 連結:https://www.patreon.com/posts/89708996
Part 13 連結:https://www.patreon.com/posts/89709914
Part 14連結:https://www.patreon.com/posts/89711028
Part 15連結:https://www.patreon.com/posts/89711688
Part 16連結:https://www.patreon.com/posts/90509660
Part 17 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-90510602
Part 18 連結:https://www.patreon.com/posts/92782930
Part 19 連結:https://www.patreon.com/posts/92790500
Part 20 連結:https://www.patreon.com/posts/92792787
Part 21 連結:https://www.patreon.com/posts/92969777
Part 22 連結:https://www.patreon.com/posts/92971668
Part 23 連結:https://www.patreon.com/posts/92972822
Part 24 連結:https://www.patreon.com/posts/92973760
Part 25 連結:https://www.patreon.com/posts/92975882
Part 26 連結:https://www.patreon.com/posts/96647633
Part 27 連結:https://www.patreon.com/posts/96899137
Part 28 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-96900507
Part 29 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-99444284
Part 30 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-99845296
Part 31 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-100418773
Part 32 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-100850612
Part 33 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-101295012
Part 34 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-101804589
Part 35 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-102209469
Part 36連結: https://www.patreon.com/posts/jiao-xue-ying-zi-102633495
Part 37連結: https://www.patreon.com/posts/jiao-xue-ying-zi-103014885
Part 38連結:https://www.patreon.com/posts/jiao-xue-ying-zi-103596033
Part 39連結:https://www.patreon.com/posts/jiao-xue-ying-zi-104152671
Part 40 連結:https://www.patreon.com/posts/jiao-xue-ying-zi-104222530
Part 41連結:https://www.patreon.com/posts/jiao-xue-ying-zi-104717988
Part 42連結:https://www.patreon.com/posts/jiao-xue-ying-zi-105230612
Part 43 連結:https://www.patreon.com/posts/105604363
按:本文為2024年2月份教學影片
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Part 3:另類投資主題--高沽空比率
近年當市況理想,而小型股熱炒時,自己會主動尋找高沽空比率的個股來研究圖表。
記憶中,以前曾短暫有過一隻專門買入高沽空比率的股票的ETF,可惜面世未幾,便因乏人問津而倒閉收場。
擇時留意高沽空比率手法,是受Stockbee老師啟發。初學者未必明白「挾淡倉」的威力,建議可以看一下《大時代》一劇:劇中劉松仁和死敵江毅鬥法,江毅沽空某股,劉松仁暗地反向大手買入,貨源全數歸邊,令江毅無法平淡倉。


相關影片:https://youtu.be/L5Kufcgd48k?si=o2Y_vF2TeYBYJ_C1
沽空是需要借貨(因為沽空的股票非沽空者持有,所以必須要透過券商問其他持有股票的人和基金借入股票沽空,並支付利息予對方)。如果對方不願意借出,甚至要求立刻歸還已借出的股票,沽空者沒有選擇,必須立刻平倉。
金融海嘯時,沽空美國金融股曾是主流交易主題,後來美國證監會禁止沽空美國金融股,做淡者被逼於短時間平淡倉,股價因為突如其來的買入需求,立刻飆升。

而且一隻股票最多下跌100%,上升空間則無限,沽空者很難以死守鬥長命。近年的經典案例是Carvana Co.(CVNA),沽空比率一度超過50%,而股價從低位升過30倍。


但請注意,不要有理無理見高沽空比率便貿然買入博「挾淡倉」。
升市時,絕大部分情形下,優質股必定跑贏,因為機構投資者必定會互相「抄功課」,集中買入當期的「基金愛股」,如2020年的Tesla(TSLA),或2024年的Navida (NVDA)。
因為可大手買入,而且容易離場。到了升勢後期,資金和散戶手上有巨大浮動盈利,會殺得性起,改炒落後的股票,這時高沽空比率才會忽然狂飆。
如隊長在2024年2月7日發文指,相信會有挾淡倉的主題。當時文中列表,例舉了沽空比率最高的20隻股票。之後一星期升幅驚人,部分升幅達兩成。當然也有例外,Upstart Holding(UPST)業績後便大跌。


該表是利用Koyfin製成的,它內置了搜尋器,可幫你找出市值大過10億美元,沽空比率高於10%的股票。

閣下亦可自行修改準則,毋須輸入程式碼,亦算簡單易用。團隊亦曾有Koyfin工作坊,教授使用。新朋友如有興趣,可在此報名睇片:https://www.patreon.com/usstockcap2/shop

(系列未完待續)
